CN107234578B - A kind of low torsion multiple purpose aeroplane electrification wrench device - Google Patents
A kind of low torsion multiple purpose aeroplane electrification wrench device Download PDFInfo
- Publication number
- CN107234578B CN107234578B CN201710516865.7A CN201710516865A CN107234578B CN 107234578 B CN107234578 B CN 107234578B CN 201710516865 A CN201710516865 A CN 201710516865A CN 107234578 B CN107234578 B CN 107234578B
- Authority
- CN
- China
- Prior art keywords
- handle
- elastomeric bladder
- shell
- hole
- multiple purpose
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/147—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The invention discloses a kind of low torsion multiple purpose aeroplane electrification wrench devices, are related to spanner technical field.It includes handle, torquer, sizing fixing device；The torquer includes the link, master control gear, motor of " V " font；It is connect with handle front end in the middle part of link；The positioning shell of arc is respectively connected at left and right sides of link front；Shell-side side indent is positioned with master control gear edge to coordinate；Spliced eye is uniformly provided in guide groove；The control coordinated with spliced eye is slidably connected in through-hole to lock；The sizing fixing device includes the shell being fixedly connected with inner wall of the hole installing, vibrating motor；The elastomeric bladder of annular is nested and fixed in shell；Shear thickening liquid is filled in elastomeric bladder；It is fixedly connected with enclosure on the outside of elastomeric bladder；Multiple vibrating motors are uniformly distributed inside elastomeric bladder along annular.The beneficial effects of the invention are as follows：Specification is adjusted quickly, adaptable, easy to operate, time saving and energy saving.
Description
Technical field
The present invention relates to spanner technical fields.
Background technology
Spanner is a kind of commonly installation and extracting tool, and bolt, screw, nut and other spiral shells are twisted using lever principle
Line tightly holds the opening of bolt or nut or the hand tools of trepanning firmware.General spanner is divided into solid wrench and adjustable wrench, adjustable wrench
The use that opening adapts to plurality of specifications can be adjusted in a certain range, but it is generally unstable using semi-surrounding mode, connection, it leads
There are Problem of Failure in cause torque transmittance process, and when carrying out opening adjusting, quickly cannot disposably adjust in place,
It makes troubles to operator, adjusts manually repeatedly and cause operation fatigue.In a kind of general low torsion multiple purpose aeroplane electrification spanner dress
It sets when in use, quickly rotation can be divided into and large torque exerts a force two stages, therefore should be able to meet and between the two quickly cut
It changes.
Invention content
The technical problems to be solved by the invention are to be directed to above-mentioned technical deficiency, provide a kind of low torsion
Multiple purpose aeroplane electrification wrench device.Specification is adjusted quickly, adaptable, easy to operate, time saving and energy saving.
The technical solution adopted by the present invention is：A kind of low torsion multiple purpose aeroplane electrification wrench device is provided, including handle,
Torquer, sizing fixing device；The torquer includes the link, master control gear, motor of " V " font；Connection
It is connect with handle front end in the middle part of frame；The positioning shell of arc is respectively connected at left and right sides of link front；Position shell-side side indent with
Master control gear edge coordinates；Master control gear upper surface is provided with the guide groove of annular；Upper end has been fixedly connected with arc in positioning shell
Gib block, gib block and guide groove are slidably connected；The positioning shell upper end of side is provided with through-hole, through-hole through gib block with
Guide groove corresponds to；Spliced eye is uniformly provided in guide groove；It slidably connects the control coordinated with spliced eye in through-hole to lock, control lock
Lower section triangle at a right angle, control lock end and are fixed with swivel plate；The positioning shell upper end of side is fixedly connected with horizontal
Mounting plate；The output end of motor is connected with downwards driving gear across mounting plate, and driving gear engages cooperation with master control gear；
It is provided with mounting hole in the middle part of master control gear, sizing fixing device is installed in mounting hole；The sizing fixing device includes and installation
Shell that hole inner wall is fixedly connected, vibrating motor；The elastomeric bladder of annular is nested and fixed in shell；Filled with shearing in elastomeric bladder
Thickening fluid；It is fixedly connected with enclosure on the outside of elastomeric bladder, elastomeric bladder madial wall is uniformly fixed with vertical joint strip along annular；It is more
A vibrating motor is uniformly distributed inside elastomeric bladder along annular, and vibrating motor is sealingly mounted in capsul respectively；Capsul it
Between linked together and circularize by steel wire.
Advanced optimize the technical program, a kind of link front left and right sides of low torsion multiple purpose aeroplane electrification wrench device
It is rotatablely connected respectively with the positioning shell of both sides.
Advanced optimize the technical program, in the middle part of a kind of link of low torsion multiple purpose aeroplane electrification wrench device with before handle
End rotation connection.
Advanced optimize the technical program, a kind of handle of low torsion multiple purpose aeroplane electrification wrench device is divided into front and back two
Point, it is connected for shaft between front and back two parts of handle.
Advanced optimize the technical program, a kind of left and right sides of the handle of low torsion multiple purpose aeroplane electrification wrench device covers
It connects and is fixed with rubber strip.
Advanced optimize the technical program, a kind of middle handle of low torsion multiple purpose aeroplane electrification wrench device is uniformly provided with rule
The hexagon ring that lattice differ；Sliding friction is combined with hexagon prism in hexagon ring, and hexagon prism upper diameter is more than lower diameter, hexagon prism
Height value be not more than hexagon ring depth value.
Advanced optimize the technical program, a kind of handle rear portion of low torsion multiple purpose aeroplane electrification wrench device is provided with hexagon
Sleeve joint hole.
Advanced optimize the technical program, a kind of low torsion multiple purpose aeroplane electrification wrench device in sleeve joint hole front and rear sides,
Handle rear portion is symmetrically arranged with card slot, and card slot is connected to sleeve joint hole；There are one the fixations of " n " font for two card slot plug connections
Plate；It is fixed with a word cutter head downwards in the middle part of fixed plate.
Advantageous effect of the present invention is：
1, torquer is connected with handle, realizes manual large torque force, electronic in torquer convenient for loosening or stepping up
Machine, which drives, realizes quickly small torque rotation, time saving and energy saving.The positioning shell of both sides plays position-limiting action to master control gear, gib block with
Matching for guide groove closes main guiding connection function, and the cooperation of control lock and spliced eye is, it can be achieved that handle and master control gear list
To being fixedly connected for rotation, it is easy to implement large torque force, while the active of master control gear not being hindered to rotate, switched between the two
It is efficient and convenient, convenient for opening the rotation after motor, motor can engaging by driving gear and master control gear, drive master control
The quick rotation of gear.Master control gear is fixedly connected with sizing fixing device, realizes that torque transmits.
It shapes in fixing device, using the characteristic of shear thickening liquid, the retractility of elastomeric bladder realizes elastomeric bladder to a variety of rule
After the fitting of linking closely of the bolt head of lattice etc., so that shear thickening liquid is cured using vibration, the sizing and solidifying of elastomeric bladder is realized, using complete
Structure is surrounded, is transferred torque on the parts such as bolt, realizes and drives rotation, the bolt etc. of plurality of specifications can be adapted to simultaneously, is adapted to
Property it is strong, adjust quick, installation is quick with convenient disassembly.The setting of elastomeric bladder madial wall joint strip, can make joint strip and bolt side surface
Contact reduces the abrasion on elastomeric bladder surface, ensures service life.Fast vibration can be generated by controlling vibrating motor, make shearing
Thickening fluid internal vibration realizes solidification；Capsul is linked to be the one of tension by steel wire, can synchronize reinforcing vibration, and play and determine
Position effect；
2, the rotation connection at left and right sides of link front with the rotation connection of positioning shell, link middle part with handle, hand
Handle, which is divided into front and back two parts and shaft and connects three kinds of structures, can improve adaptability to operating space structure, more practical；
3, the hexagon prism of different size is sliding combined in the hexagon ring of different size, surfacing is, it can be achieved that internal six
The operation of the connectors such as corner bolt, function is more, easy to use；
4, hexagonal sleeve joint hole can be adapted to the hex bolts of certain specification, be convenient to directly be socketed use, handle portion
The hexagon ring of different size can play phase same-action.
It is provided with card slot before and after sleeve joint hole and is combined with fixed plate, is realized to a word or plus screw etc. using a word cutter head
Device is operated, easy to operate, and function is more.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is present invention sizing fixing device decomposition texture schematic diagram；
Fig. 3 is torquer part-structure decomposition diagram；
Fig. 4 locks in order to control uses structural plan schematic diagram；
Fig. 5 is torquer using state structure diagram；
Fig. 6 is torquer another kind using state structure diagram；
In figure, 1, handle；2, link；3, shell is positioned；4, master control gear；5, guide groove；6, gib block；7, through-hole；8、
Spliced eye；9, control lock；10, swivel plate；11, mounting plate；12, driving gear；13, mounting hole；14, shell；15, vibration electricity
Machine；16, elastomeric bladder；17, joint strip；18, rubber strip；19, hexagon ring；20, hexagon prism；21, sleeve joint hole；22, card slot；23, fixed
Plate；24, a word cutter head；25, motor；26, capsul；27, steel wire.
Specific implementation mode
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in figures 1 to 6, a kind of low torsion multiple purpose aeroplane electrification wrench device, including handle 1, torquer, sizing link closely
Device；The torquer includes the link 2, master control gear 4, motor 25 of " V " font；2 middle part of link and handle 1
Front end connects；The positioning shell 3 of arc is respectively connected at left and right sides of 2 front of link；Position 3 side indent of shell and master control gear 4
Edge mate；4 upper surface of master control gear is provided with the guide groove 5 of annular；Upper end is fixedly connected with the guiding of arc in positioning shell 3
Item 6, gib block 6 are slidably connected with guide groove 5；3 upper end of positioning shell of side is provided with through-hole 7, and through-hole 7 runs through gib block 6
It is corresponding with guide groove 5；Spliced eye 8 is uniformly provided in guide groove 5；The control coordinated with spliced eye 8 is slidably connected in through-hole 7 to lock
9, control lock 9 lower sections triangle at a right angle, 9 upper ends of control lock are fixed with swivel plate 10；3 upper end of positioning shell of side is fixed
It is connected with horizontal mounting plate 11；The output end of motor 25 is connected with downwards driving gear 12, driving tooth across mounting plate 11
Wheel 12 engages cooperation with master control gear 4；4 middle part of master control gear is provided with mounting hole 13, and sizing fixing device is installed in mounting hole 13；
The sizing fixing device includes the shell 14 being fixedly connected with 13 inner wall of mounting hole, vibrating motor 15；Socket in shell 14
It is fixed with the elastomeric bladder 16 of annular；Shear thickening liquid is filled in elastomeric bladder 16；16 outside of elastomeric bladder and 14 inside of shell are fixed
Connection, 16 madial wall of elastomeric bladder are uniformly fixed with vertical joint strip 17 along annular；Multiple vibrating motors 15 are inside elastomeric bladder 16
It is uniformly distributed along annular, vibrating motor 15 is sealingly mounted at respectively in capsul 26；It is connected by steel wire 27 between capsul 26
It circularizes together；It is rotatablely connected respectively with the positioning shell 3 of both sides at left and right sides of 2 front of link；2 middle part of link and handle
1 front end is rotatablely connected；Handle 1 divides for front and back two parts, is connected for shaft between front and back two parts of handle 1；The left and right of handle 1
Rubber strip 18 is nested and fixed in both sides；1 middle part of handle is uniformly provided with hexagon ring 19 diversified in specifications；Sliding rubs in hexagon ring 19
Wiping is combined with hexagon prism 20, and 20 upper diameter of hexagon prism is more than lower diameter, and the height value of hexagon prism 20 is not more than hexagon ring 19
Depth value；1 rear portion of handle is provided with hexagonal sleeve joint hole 21；In 21 front and rear sides of sleeve joint hole, 1 rear portion of handle is symmetrically arranged with
Card slot 22, card slot 22 are connected to sleeve joint hole 21；There are one the fixed plates 23 of " n " font for two 22 plug connections of card slot；Fixed plate
23 middle parts are fixed with a word cutter head 24 downwards.
In the use of the present invention, for being operated to bolt, as shown in Figure 1, 2, elastomeric bladder 16 is sleeved on outside bolt
Side is realized by the elasticity of elastomeric bladder 16 itself to being adjacent to package on the outside of bolt, due to the elasticity of itself of elastomeric bladder 16, in
Diameter can be changed to higher value by smaller value, and superjacent air space can provide deformation space for compressive deformation, then control vibrating motor 15
Vibration is opened, shear thickening liquid vibration solidification in elastomeric bladder 16 is made, elastomeric bladder 16 is shaped immediately, can carry out the transmission of torque, real
Now to the torsion of bolt.Joint strip 17 should not be arranged too much, and a large amount of joint strip 17 then influences whether the contraction of 16 internal diameter of elastomeric bladder, patch
Item 17 can be steel bar etc..
As shown in Figure 3,4, when being installed to bolt it is last tighten or most start when dismantling when unscrewing, need
Larger torque is provided, relies on handle 1 to exert a force at this time, remaining can rely on the rotation of motor 25 to drive rotation.To tighten clockwise
For, motor 25 is first turned on, drives driving gear 12 to rotate counterclockwise, is engaged with master control gear 4, drives master control gear 4
It rotates clockwise, rotation is transferred to by bolt by elastomeric bladder 16, bolt rotation is driven to tighten, at this time by 9 lower parts of control lock
Orientation it is found that master control gear 4 rotation, drive inclined surface that control lock will be made 9 to move up, control lock 9 will not stop master control gear 4
It is clockwise actively rotate, after turning to a certain degree, when need to apply large torque, close motor 25, left and right slight oscillatory
Handle 1 makes the sliding in the guide groove 5 of master control gear 4 of positioning shell 3, the work of pressure under control 9 its own gravities of lock or application
Under, so that control lock 9 is inserted into the spliced eye 8 of lower section, the power rotated clockwise then is applied to handle 1 manually, passes through control
The connection at 9 is locked, control 9 vertical planes of lock drive master control gear 4 to continue to rotate clockwise, the large torque applied manually is transmitted to
On bolt, complete to tighten.Control lock 9 can be transition cooperation or clearance fit with through-hole 7.
When needing to unscrew counterclockwise, 10 1 hundred 80 degree of swivel plate is rotated, control lock 9 is made to exchange the orientation of inclined surface,
Motor 25 inverts, remaining Principle of Process is same as above, and suitably operate.
Motor 25 and control lock 9 can do symmetrical two groups of settings.
As shown in Figure 5,6, handle 1 can realize that the force control in a variety of orientation, the setting of rubber strip 18 can carry after rotation
The hand-held comfort of height.
Hexagon socket head cap screw etc. is common connector, and is the smaller interior hexagonal of specification in, on handle 1
Coordinate the lower part of the hexagon prism 20 of installation that can be adapted to several regular sizes of hexagon socket head cap screw, easy to use, hexagon prism
20 tops are more than lower part, can be slided up and down in hexagon ring 19, and the lower part of hexagon prism 20 is made to expose and coordinate with interior hexagonal, rotation
Handle 1 provides torque.The use of sizing fixing device can be reduced, it is energy saving, or make up to the connector of specification very little
Applicability.
When encountering the word or plus screw of oval head, is operated using fixed plate 23, sleeve joint hole 21 is sleeved on
On the outside of screw, push fixed plate 23, a word cutter head 24 made to be inserted into screw, rotating handle 1 can applied force, a word cutter head 24 is right
Minus screw and plus screw have adaptability.
Claims (8)
1. a kind of low torsion multiple purpose aeroplane electrification wrench device, it is characterised in that：Including handle, torquer, sizing fixing device；
The torquer includes the link, master control gear, motor of " V " font；Connect with handle front end in the middle part of link
It connects；The positioning shell of arc is respectively connected at left and right sides of link front；Shell-side side indent is positioned with master control gear edge to coordinate；It is main
Control gear upper surface is provided with the guide groove of annular；Upper end is fixedly connected with the gib block of arc in positioning shell, gib block with lead
It is slidably connected to slot；The positioning shell upper end of side is provided with through-hole, and through-hole is corresponding with guide groove through gib block；In guide groove
Uniformly it is provided with spliced eye；It slidably connects the control coordinated with spliced eye in through-hole to lock, control lock lower section triangle at a right angle
Shape, control lock end and are fixed with swivel plate；The positioning shell upper end of side is fixedly connected with horizontal mounting plate；The output of motor
End is connected with downwards driving gear across mounting plate, and driving gear engages cooperation with master control gear；It is provided with peace in the middle part of master control gear
Hole is filled, sizing fixing device is installed in mounting hole；
The sizing fixing device includes the shell being fixedly connected with inner wall of the hole installing, vibrating motor；It is fixed by socket in shell
There is the elastomeric bladder of annular；Shear thickening liquid is filled in elastomeric bladder；It is fixedly connected with enclosure on the outside of elastomeric bladder, in elastomeric bladder
Side wall is uniformly fixed with vertical joint strip along annular；Multiple vibrating motors are uniformly distributed inside elastomeric bladder along annular, vibration electricity
Machine is sealingly mounted in capsul respectively；It is linked together and is circularized by steel wire between capsul.
2. a kind of low torsion multiple purpose aeroplane electrification wrench device according to claim 1, it is characterised in that：Link front is left
Right both sides are rotatablely connected with the positioning shell of both sides respectively.
3. a kind of low torsion multiple purpose aeroplane electrification wrench device according to claim 1, it is characterised in that：In the middle part of link with
Handle front end is rotatablely connected.
4. a kind of low torsion multiple purpose aeroplane electrification wrench device according to claim 1, it is characterised in that：Handle is divided into front and back
Two parts are connected for shaft between front and back two parts of handle.
5. a kind of low torsion multiple purpose aeroplane electrification wrench device according to claim 1, it is characterised in that：The left and right two of handle
Rubber strip is nested and fixed in side.
6. a kind of low torsion multiple purpose aeroplane electrification wrench device according to claim 1, it is characterised in that：Middle handle is uniform
It is provided with hexagon ring diversified in specifications；Sliding friction is combined with hexagon prism in hexagon ring, and hexagon prism upper diameter is more than lower diameter,
The height value of hexagon prism is not more than the depth value of hexagon ring.
7. a kind of low torsion multiple purpose aeroplane electrification wrench device according to claim 1, it is characterised in that：Handle rear portion is provided with
Hexagonal sleeve joint hole.
8. a kind of low torsion multiple purpose aeroplane electrification wrench device according to claim 7, it is characterised in that：Before and after sleeve joint hole
Both sides, handle rear portion are symmetrically arranged with card slot, and card slot is connected to sleeve joint hole；There are one " n " fonts for two card slot plug connections
Fixed plate；It is fixed with a word cutter head downwards in the middle part of fixed plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710516865.7A CN107234578B (en) | 2017-06-29 | 2017-06-29 | A kind of low torsion multiple purpose aeroplane electrification wrench device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710516865.7A CN107234578B (en) | 2017-06-29 | 2017-06-29 | A kind of low torsion multiple purpose aeroplane electrification wrench device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107234578A CN107234578A (en) | 2017-10-10 |
| CN107234578B true CN107234578B (en) | 2018-07-13 |
Family
ID=59990042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710516865.7A Expired - Fee Related CN107234578B (en) | 2017-06-29 | 2017-06-29 | A kind of low torsion multiple purpose aeroplane electrification wrench device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107234578B (en) |
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| CN2202016Y (en) * | 1994-01-16 | 1995-06-28 | 苏州市博达实业公司 | Two-way large torque spanner driven by electric power or hand |
| CN2218630Y (en) * | 1995-04-21 | 1996-01-31 | 福州合众机械工具有限公司 | Compact two purpose box spanners for ratchet wheel |
| US6739221B2 (en) * | 2002-10-10 | 2004-05-25 | Sun B. Cha | Power driven wrench |
| US7017456B2 (en) * | 2003-05-30 | 2006-03-28 | Berman Charles N | Adjustable closed-end wrench |
| CN201002234Y (en) * | 2007-01-12 | 2008-01-09 | 美商威特股份有限公司台湾分公司 | Wrench tool capable of switching manual or electric operation mode |
| CN201065044Y (en) * | 2007-05-10 | 2008-05-28 | 林保超 | Dual-purpose electric manual vehicle-carrying tyre-changing tool |
| CN201077039Y (en) * | 2007-04-19 | 2008-06-25 | 卢世桐 | Ratchet wrench tool capable of switching hand and electric operation mode |
| US8904906B2 (en) * | 2011-07-12 | 2014-12-09 | Stephen Adams | Wrench |
| CN205674087U (en) * | 2016-06-07 | 2016-11-09 | 陕煤集团神南产业发展有限公司 | A kind of multi-functional rapidly and efficiently spanner |
| CN206206792U (en) * | 2016-11-11 | 2017-05-31 | 燕山大学 | A kind of self-induction magneto-rheological vibration damping pipe clamp |
-
2017
- 2017-06-29 CN CN201710516865.7A patent/CN107234578B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2202016Y (en) * | 1994-01-16 | 1995-06-28 | 苏州市博达实业公司 | Two-way large torque spanner driven by electric power or hand |
| CN2218630Y (en) * | 1995-04-21 | 1996-01-31 | 福州合众机械工具有限公司 | Compact two purpose box spanners for ratchet wheel |
| US6739221B2 (en) * | 2002-10-10 | 2004-05-25 | Sun B. Cha | Power driven wrench |
| US7017456B2 (en) * | 2003-05-30 | 2006-03-28 | Berman Charles N | Adjustable closed-end wrench |
| CN201002234Y (en) * | 2007-01-12 | 2008-01-09 | 美商威特股份有限公司台湾分公司 | Wrench tool capable of switching manual or electric operation mode |
| CN201077039Y (en) * | 2007-04-19 | 2008-06-25 | 卢世桐 | Ratchet wrench tool capable of switching hand and electric operation mode |
| CN201065044Y (en) * | 2007-05-10 | 2008-05-28 | 林保超 | Dual-purpose electric manual vehicle-carrying tyre-changing tool |
| US8904906B2 (en) * | 2011-07-12 | 2014-12-09 | Stephen Adams | Wrench |
| CN205674087U (en) * | 2016-06-07 | 2016-11-09 | 陕煤集团神南产业发展有限公司 | A kind of multi-functional rapidly and efficiently spanner |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107234578A (en) | 2017-10-10 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20180531 Address after: 050093 301 room 5, 4 building, 8 Binhe street, Shijiazhuang, Hebei. Applicant after: Su Yabin Applicant after: Jin Wei Applicant after: Shi Juan Applicant after: Zhang Tong Applicant after: Liu Aihui Applicant after: Cao Rui Address before: 050093 301 room 5, 4 building, 8 Binhe street, Shijiazhuang, Hebei. Applicant before: Su Yabin |
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